2.2.2
2.2.2
2.2.2
2.2.2 TS
TS
TS
TS Me
Me
Me
Me
t
t
t
t
al
al
al
al Series
Series
Series
Series
① Po
Po
Po
Po w
w
w
w er
er
er
er Indicator
Indicator
Indicator
Indicator Light
Light
Light
Light ② C.O.Line
C.O.Line
C.O.Line
C.O.Line Indicator
Indicator
Indicator
Indicator Lig
Lig
Lig
Lig h
h
h
h
t
t
t
t
③ Ex
Ex
Ex
Ex
t
t
t
t
s.
s.
s.
s. Indicator
Indicator
Indicator
Indicator Light
Light
Light
Light
④ C.O.Line
C.O.Line
C.O.Line
C.O.Line Port
Port
Port
Port ⑤ Ex
Ex
Ex
Ex
t
t
t
t
s
s
s
s
.
.
.
.
Port
Port
Port
Port ⑥ Po
Po
Po
Po w
w
w
w er
er
er
er Socket
Socket
Socket
Socket
⑦ P
P
P
P o
o
o
o w
w
w
w er
er
er
er S
S
S
S w
w
w
w
i
i
i
i
tch
tch
tch
tch ⑧ External
External
External
External Music
Music
Music
Music Interface
Interface
Interface
Interface
⑨ Door
Door
Door
Door Lock
Lock
Lock
Lock Interfa
Interfa
Interfa
Interfa c
c
c
c e(optional)
e(optional)
e(optional)
e(optional)
2.3
2.3
2.3
2.3 Ins
Ins
Ins
Ins
t
t
t
t
allation
allation
allation
allation procedure
procedure
procedure
procedure
¾ Before ins t allation, please check all t h e p ar t s if h a ve a n y looseness, t ake care the sup pl y
pow e r switch if is shut down.
¾ The teleph o ne exch a n g e shall be ins t alled in a s t able ind o or place with dr
y
, v e ntilat e d
envi r o n ment. (
T
emperatu r e Range: 0 - 4 5 ℃ , Humidity Range: 2 0 % -80%. A void straight sun
shine or in the e n viro n ment of flammable or caustic gas.) S pecial teleph o ne w i re is
prefer a ble.
¾ A wall bore is available a t the underside of mainframe for wall ins t allation. Desk ins t all a tion
is also admitted. But the c on t act of
w
all bolt and circuit boa r d inside the
m
a inframe should
be avo i ded.
¾ None of the wiring of any
ex
t ension should share the pipeline w ith power supply or ante n na.
Neither sh o uld the extension be close to antenna for air broad c asting (includi n g
short-w a ve).
¾ For the sake of personal safety and communication qualit
y
, grounding of P A BX should be
reliable. Or e lse, the lightning- p roof d evice inside would fail to work.
Resis t ance to gro u nd sh o uld be less than 5 ohm.
P7
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